
Two-Factor Authentication for Crypto: What Actually Works
Not all second factors are equal, and the most common one is the weakest. Here is what to use on exchange accounts, and what to do about recovery codes.
Maria Fernandez · September 13, 2026→
Journalism for the digital-asset economy
DeFi Protocols & RWA On-Chain AnalystDeFi Protocols & RWA On-Chain Analyst
DeFi Protocols, Real-World Assets, On-Chain Analytics, Stablecoins, Spanish-Language Coverage
Maria Fernandez is an On-Chain Research Analyst at **CRYPTO·COINBEAT**, specializing in real-world asset (RWA) tokenization, decentralized finance, and stablecoin ecosystems. Originally from Mexico City and now based in Miami, Maria brings a unique Latin American perspective to blockchain research, combining deep technical analysis with insights into emerging digital asset markets across the Americas. Before joining **CRYPTO·COINBEAT**, Maria spent several years researching decentralized finance protocols, producing in-depth analysis on lending platforms, governance systems, and the growing adoption of tokenized real-world assets. Her early research into institutional RWA integration and decentralized collateral models helped explain one of the fastest-growing sectors within the blockchain industry. Maria's analytical approach combines on-chain transaction analysis, protocol revenue metrics, liquidity monitoring, and governance activity to evaluate the long-term health of DeFi ecosystems. She works extensively with blockchain analytics platforms, including Dune Analytics, Nansen, and Flipside Crypto, and has created numerous public dashboards that simplify complex blockchain data for investors and researchers alike. Her coverage of stablecoin market events and liquidity shifts has helped readers better understand risk during periods of heightened market volatility. She holds a B.Sc. in Industrial Engineering from ITAM (Instituto Tecnológico Autónomo de México) and a Graduate Certificate in FinTech from MIT Sloan. Passionate about blockchain education, Maria regularly contributes both English- and Spanish-language research, helping make advanced on-chain analysis more accessible to a global audience while supporting the continued growth of crypto adoption throughout Latin America.

Not all second factors are equal, and the most common one is the weakest. Here is what to use on exchange accounts, and what to do about recovery codes.
Maria Fernandez · September 13, 2026→

Scams change costume constantly and the underlying patterns barely change at all. Learn the nine and you will recognise the tenth on sight.
Maria Fernandez · September 9, 2026→

One signature, no gas, no obvious effect — and a contract can move your tokens whenever it likes, indefinitely. This is the mechanism behind most wallet drains.
Maria Fernandez · September 3, 2026→

Bitcoin is a decentralized digital currency secured by a public ledger. Here is how the network, supply cap, and ownership model fit together.
Maria Fernandez · June 21, 2026→

Candlestick charts pack open, high, low and close into a single shape. Here is how to read them without guessing.
Maria Fernandez · June 7, 2026→

Decentralized exchanges let you trade tokens straight from your wallet, with no broker holding your funds. Here is how AMMs and liquidity pools price every swap.
Maria Fernandez · June 3, 2026→

Market cap is the most quoted and most misunderstood number in crypto. Here is what it actually measures.
Maria Fernandez · May 31, 2026→

Every four years Bitcoin cuts its issuance rate in half. Here is how the halving works, what history shows, and why it shapes supply.
Maria Fernandez · May 28, 2026→

Crypto moves in cycles of expansion and contraction. Understanding the forces behind them beats trying to time them.
Maria Fernandez · May 23, 2026→

Impermanent loss quietly erodes the value of liquidity positions when token prices move. Here is why it happens, how big it gets, and when fees offset it.
Maria Fernandez · May 9, 2026→

Cryptocurrency is legal to own and trade in most countries, restricted in some, and banned in a few. Status depends on local law and changes over time.
Maria Fernandez · May 9, 2026→

Spot Bitcoin ETFs let investors hold bitcoin exposure in a brokerage account. Here is how they work and how they differ from owning coins.
Maria Fernandez · May 3, 2026→

Rollups move execution off Ethereum’s base layer while keeping its security. Here is how optimistic and zk-rollups work and where they differ.
Maria Fernandez · May 3, 2026→

Volatility is the price of admission to crypto. Managing it — rather than fearing it — is what separates survivors from casualties.
Maria Fernandez · April 25, 2026→